Sunday-only wristbands will be on sale for the three-day boutique event, to be headlined by Canadian band Arcade Fire.

The Chemical Brothers, Interpol, PJ Harvey and Pulp - who recently reformed after a decade apart - are also among the top names confirmed for Stradbally, Co Laois, on September 2-4.

David Forde, who books the acts for Electric Picnic, said the event had gained an international reputation after winning several awards including the Best Mid-Sized European Festival.

But he admitted releasing Sunday only tickets for €99, excluding camping, was a sign of the times.

"It is quite a commitment to ask someone to pay €240 (for a weekend ticket with camping)," said Mr Forde.

"We did just over 90pc business last year and I think this year our line-up is stronger so I think we're certainly confident it will be a sell-out.

"I thought the atmosphere last year was possibly the best it's ever been because there was a feeling this is the only three good days of the year and people were really letting their hair down," he continued.

"I think that will always be there no matter how bad things are economically."

The 44 acts, which were earlier leaked on the internet, include Sinead O'Connor, White Lies, the Charlatans, Sharon Shannon and Choice music nominees Adebisi Shank, Cast Of Cheers and O Emperor.

Elsewhere, revellers can again take solace in the Body and Soul arena, debate in the Mindfield spoken word area with political cabaret events hosted by economist David McWilliams and British broadcaster Jon Snow, visit the comedy tent, or relive their childhood at Fossets Circus.

Mr Forde said Arcade Fire, who triumphed at the festival in 2005, were excited to be returning to Stradbally.

"I think everyone who was there, they all said it was one of the best shows they've ever seen and it was a hell- raising experience," he said.

"Arcade Fire said it themselves a lot of times in interviews that at the time it was probably the most enjoyable show they've ever done.

"It was a landmark show for them so they've been very excited about coming back themselves so I think that will make for a real special atmosphere this year."